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Bank Deposits in Jefferson County, Wisconsin
Where bank deposits are booked in Jefferson County - FDIC Summary of Deposits, June 30, 2026.
Total bank deposits
$2.34B
Bank offices
23
Banks present
11
Top 4 banks' share
70.8%
Deposit market share in Jefferson County
| # | Bank | Branch deposits here | Share |
|---|---|---|---|
| 1 | Ixonia Bank | $533.89M | 22.8% |
| 2 | Bank Of Lake Mills | $432.28M | 18.4% |
| 3 | Premierbank | $347.37M | 14.8% |
| 4 | Bank Cmg | $345.41M | 14.7% |
| 5 | Associated Bank, National Association | $183.18M | 7.8% |
| 6 | Bmo Bank National Association | $129.59M | 5.5% |
| 7 | Badger Bank | $113.29M | 4.8% |
| 8 | Farmers & Merchants State Bank | $105.72M | 4.5% |
| 9 | Bank First, N.A. | $60.89M | 2.6% |
| 10 | Johnson Bank | $54.25M | 2.3% |
| 11 | First Citizens State Bank | $37.56M | 1.6% |
Credit unions with branches in Jefferson County
- Fort Community - 5 branches
- Avestar - 2 branches
- Summit - 2 branches
- County - City - 1 branch
- Stoppenbach - 1 branch
- Landmark - 1 branch
Credit unions do not report deposits by branch, so only bank deposits are ranked above.
Deposits are booked at the branch office that holds them (FDIC Summary of Deposits), which is not always where the depositor lives - online banks concentrate deposits at a few offices.
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